TRIBE CONCHACEA. ait 
299, 300. —List. t. 284. f. 122.—Don. t. 44.—B. t. 4. f. 7.—W. 
ih fiage Rounded heart-shaped, tumid, whitish often tinged 
with red, strong, with coarse transverse ribs which become warty 
at the extremities, and indistinct longitudinal strize which are usually 
apparent at the umbones ; anterior slope more or less spotted on 
one side: lunule heart-shaped and wrinkled: white within. Di- 
ameter 13.—Hurope.' 
V. Rueosa. Gmel. 3276.—Lam. 8.—V. Dysera. var. f. 
Lin. 1130.—V. Rieipa. D. p. 164.—Ch. f. 303.—E. t. 273. f. 
4.— List. t. 286. f. 123.—W. t.7. f. 13. Rounded heart-shaped, 
very ventricose, with numerous transverse thin entire membranaceous 
ridges, whitish, irregularly stained with spots or short angulated 
streaks of pale brown; anterior slope in one valve glabrous, lunule 
heart-shaped but very short and broad: within uniform white, 
with the rudiments of a fourth tooth and its receptacle. 23.— 
Indian Seas. 
V. Castna.* Lin. 1130.—D. p. 165.—Lam. 9.—Ch. f. 301, 2. 
—W.t. 7. f.14.—Don. t. 149.—Turt. B. t. 3. f. 1. Rounded 
heart-shaped, slightly compressed, whitish or very pale fulvous, 
becoming reddish at the beaks, and on the posterior side whose 
depression is elongated heart-shaped ; marked with thin unequal 
transverse entire ridges which curve towards the beaks ; white 
within. Diameter 2.— Hurope. 
V. Cresrisutca. Lam. 10.—EH. t. 276. f. 1. Rounded 
heart-shaped, whitish with rufous spots and numerous transverse 
obtuse ribs, which are almost elevated into ridges on the anterior 
side; lunule oblong heart-shaped, almost lamellar, rufous with a 
small white spot at its base; the anterior slope is sunken, linear, 
margined with unequal tubercles, and often lettered on one side. 
13.—Indian Ocean.? 
V. Purcata. Gmel. 3276.—D. p. 162.—Lam. 11.—W. t. 7. 
F.9.—Ch. f. 295, 6, 7.-—E.t. 275. f.3.— Reeve. t. 68. f.6. Some- 
what heart-shaped, angulated towards the anterior end, rather 
1V, Suscorpats. Mont. t..3. f. 1.—W.t. 7. f. 16. The 
copy we have made from this figure much resembles the young of 
Verrucosa. We have not, however, seen authenticated specimens. 
2 A species bearing some slight resemblance to this shell, but a 
specimen of which we have not been fortunate enough to procure, 
(a copy of Chemnitz’s figure is given,) is the V. Cincta. Ch. f. 
387.—D. p. 190.—W. ¢t. 8. f. 70. Triangular heart-shaped, 
ventricose, with broad transverse ribs and the interstices crenulated, 
white variegated with reddish-brown angulated spots; lunule cor- 
diform: inside white stained with purple under the umbones, 
margin crenulated. 
